Finding the Fourth Proportional to 215,425.84, 297,297.36 and 119,938.52
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Solution
The fourth proportional to 215,425.84, 297,297.36 and 119,938.52 is: 165,520.56
Step by Step Solution
- Step 1: Write the proportion equation
215,425.84 : 297,297.36 = 119,938.52 : x - Step 2: Convert to fraction form
215,425.84/297,297.36 = 119,938.52/x - Step 3: Cross multiply
215,425.84x = 297,297.36 × 119,938.52 - Step 4: Simplify right side
215,425.84x = 35,657,405,358.31 - Step 5: Solve for x
x = 35,657,405,358.31/215,425.84 - Step 6: Final answer
x = 165,520.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.